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<div class="title">Ogre_glTF_skeletonImporter.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &quot;Ogre_glTF_skeletonImporter.hpp&quot;</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &quot;Ogre_glTF_common.hpp&quot;</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;Ogre_glTF_internal_utils.hpp&quot;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;OgreOldSkeletonManager.h&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;OgreSkeleton.h&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;OgreOldBone.h&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;OgreLogManager.h&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;OgreKeyFrame.h&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="keyword">using namespace </span><a class="code" href="namespace_ogre__gl_t_f.html">Ogre_glTF</a>;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="keywordtype">int</span> skeletonImporter::skeletonID = 0;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="keywordtype">void</span> skeletonImporter::addChidren(<span class="keyword">const</span> std::string&amp; skinName, <span class="keyword">const</span> std::vector&lt;int&gt;&amp; childs, Ogre::v1::OldBone* parent, <span class="keyword">const</span> std::vector&lt;int&gt;&amp; joints)</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;{</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    <span class="keywordflow">for</span>(<span class="keyword">auto</span> child : childs)</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    {</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span>&amp; node = model.nodes[child];</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;        <span class="comment">//OgreLog(&quot;Node name is &quot; + node.name + &quot;!&quot;);</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;        <span class="keyword">auto</span> bone = skeleton-&gt;getBone(nodeToJointMap[child]);</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        <span class="keywordflow">if</span>(!bone) { <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;could not get bone &quot;</span> + std::to_string(bone-&gt;getHandle())); }</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        parent-&gt;addChild(bone);</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        <span class="keyword">auto</span> bindMatrix = bindMatrices[nodeToJointMap[child]];</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        Ogre::Vector3 translation, scale;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        Ogre::Quaternion rotation;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        bindMatrix.decomposition(translation, scale, rotation);</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        bone-&gt;setPosition(parent-&gt;convertWorldToLocalPosition(translation));</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        bone-&gt;setOrientation(parent-&gt;convertWorldToLocalOrientation(rotation));</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        bone-&gt;setScale(parent-&gt;_getDerivedScale() / scale);</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        addChidren(skinName + std::to_string(child), model.nodes[child].children, bone, joints);</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    }</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;}</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadBoneHierarchy(<span class="keyword">const</span> tinygltf::Skin&amp; skin, Ogre::v1::OldBone* rootBone, <span class="keyword">const</span> std::string&amp; name)</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; node     = model.nodes[skin.joints[0]];</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; skeleton = model.nodes[skin.skeleton];</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    std::array&lt;float, 3&gt; translation { 0 }, scale { 0 };</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    std::array&lt;float, 4&gt; rotation { 0 };</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    internal_utils::container_double_to_float(skeleton.translation, translation);</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordflow">if</span>(skeleton.scale.size() == 3) internal_utils::container_double_to_float(skeleton.scale, scale);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    internal_utils::container_double_to_float(skeleton.rotation, rotation);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    Ogre::Vector3 trans  = Ogre::Vector3 { translation.data() };</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    Ogre::Quaternion rot = Ogre::Quaternion { rotation[3], rotation[0], rotation[1], rotation[2] };</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    Ogre::Vector3 sc     = Ogre::Vector3 { scale.data() };</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywordflow">if</span>(sc.isZeroLength()) sc = Ogre::Vector3::UNIT_SCALE;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    rootBone-&gt;setPosition(trans);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    rootBone-&gt;setOrientation(rot);</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    rootBone-&gt;setScale(sc);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    std::stringstream rootBoneXformLog;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    rootBoneXformLog &lt;&lt; <span class="stringliteral">&quot;rootBone &quot;</span> &lt;&lt; trans &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; rot;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    OgreLog(rootBoneXformLog);</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    addChidren(name, node.children, rootBone, skin.joints);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;}</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1skeleton_importer.html#a11798c5b89ddfa0878c1a852946c5957">   70</a></span>&#160;<a class="code" href="class_ogre__gl_t_f_1_1skeleton_importer.html#a11798c5b89ddfa0878c1a852946c5957">skeletonImporter::skeletonImporter</a>(tinygltf::Model&amp; input) : model { input } {}</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadTimepointFromSamplerToKeyFrame(<span class="keywordtype">int</span> bone, <span class="keywordtype">int</span> frameID, <span class="keywordtype">int</span>&amp; count, keyFrame&amp; animationFrame, tinygltf::AnimationSampler&amp; sampler)</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;{</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keyword">auto</span>&amp; input              = model.accessors[sampler.input];</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    count                    = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(input.count);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="keyword">auto</span>&amp; bufferView         = model.bufferViews[input.bufferView];</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keyword">auto</span>&amp; buffer             = model.buffers[bufferView.buffer];</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* dataStart = buffer.data.data() + bufferView.byteOffset + input.byteOffset;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">size_t</span> byteStride  = input.ByteStride(bufferView);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    assert(input.type == TINYGLTF_TYPE_SCALAR); <span class="comment">//Need to be a scalar, since it&#39;s a timepoint</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keywordtype">float</span> data;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordflow">if</span>(input.componentType == TINYGLTF_COMPONENT_TYPE_FLOAT) { data = *<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">float</span>*<span class="keyword">&gt;</span>(dataStart + frameID * byteStride); }</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span>(input.componentType == TINYGLTF_COMPONENT_TYPE_DOUBLE)</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    {</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        data = <span class="keyword">static_cast&lt;</span><span class="keywordtype">float</span><span class="keyword">&gt;</span>(*<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">double</span>*<span class="keyword">&gt;</span>(dataStart + frameID * byteStride));</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    }</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordflow">if</span>(animationFrame.timePoint &lt; 0)</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        animationFrame.timePoint = data;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span>(animationFrame.timePoint != data)</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    {</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Missmatch of timecode while loading an animation keyframe for bone joint &quot;</span> + std::to_string(bone)</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                                 + <span class="stringliteral">&quot;\n&quot;</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                                   <span class="stringliteral">&quot;read from file : &quot;</span></div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;                                 + std::to_string(data) + <span class="stringliteral">&quot; while animationFrame recorded &quot;</span> + std::to_string(animationFrame.timePoint));</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    }</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;}</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadVector3FromSampler(<span class="keywordtype">int</span> frameID, <span class="keywordtype">int</span>&amp; count, tinygltf::AnimationSampler&amp; sampler, Ogre::Vector3&amp; vector)</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;{</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="keyword">auto</span>&amp; output             = model.accessors[sampler.output];</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    count                    = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(output.count);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keyword">auto</span>&amp; bufferView         = model.bufferViews[output.bufferView];</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keyword">auto</span>&amp; buffer             = model.buffers[bufferView.buffer];</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* dataStart = buffer.data.data() + bufferView.byteOffset + output.byteOffset;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">size_t</span> byteStride  = output.ByteStride(bufferView);</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    assert(output.type == TINYGLTF_TYPE_VEC3); <span class="comment">//Need to be a 3D vectorsince it&#39;s a translation vector</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keywordflow">if</span>(output.componentType == TINYGLTF_COMPONENT_TYPE_FLOAT) { vector = Ogre::Vector3(reinterpret_cast&lt;float*&gt;(dataStart + frameID * byteStride)); }</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span>(output.componentType == TINYGLTF_COMPONENT_TYPE_DOUBLE) <span class="comment">//need double to float conversion</span></div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    {</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        std::array&lt;float, 3&gt; vectFloat {};</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        std::array&lt;double, 3&gt; vectDouble {};</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        memcpy(vectDouble.data(), <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">double</span>*<span class="keyword">&gt;</span>(dataStart + frameID * byteStride), 3 * <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        internal_utils::container_double_to_float(vectDouble, vectFloat);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        vector = Ogre::Vector3(vectFloat.data());</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    }</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;}</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadQuatFromSampler(<span class="keywordtype">int</span> frameID, <span class="keywordtype">int</span>&amp; count, tinygltf::AnimationSampler&amp; sampler, Ogre::Quaternion&amp; quat)<span class="keyword"> const</span></div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">auto</span>&amp; output             = model.accessors[sampler.output];</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    count                    = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(output.count);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keyword">auto</span>&amp; bufferView         = model.bufferViews[output.bufferView];</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keyword">auto</span>&amp; buffer             = model.buffers[bufferView.buffer];</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* dataStart = buffer.data.data() + bufferView.byteOffset + output.byteOffset;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">size_t</span> byteStride  = output.ByteStride(bufferView);</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    assert(output.type == TINYGLTF_TYPE_VEC4); <span class="comment">//Need to be a 4D vectorsince it&#39;s a translation vector</span></div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordflow">if</span>(output.componentType == TINYGLTF_COMPONENT_TYPE_FLOAT)</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    {</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        <span class="keywordtype">float</span>* quat_data = <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">float</span>*<span class="keyword">&gt;</span>(dataStart + frameID * byteStride);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        quat             = Ogre::Quaternion(quat_data[3], quat_data[0], quat_data[1], quat_data[2]);</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    }</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span>(output.componentType == TINYGLTF_COMPONENT_TYPE_DOUBLE) <span class="comment">//need double to float conversion</span></div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    {</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        std::array&lt;float, 4&gt; vectFloat {};</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        std::array&lt;double, 4&gt; vectDouble {};</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        memcpy(vectDouble.data(), <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">double</span>*<span class="keyword">&gt;</span>(dataStart + frameID * byteStride), 3 * <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        internal_utils::container_double_to_float(vectDouble, vectFloat);</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        quat = Ogre::Quaternion(vectFloat[3], vectFloat[0], vectFloat[1], vectFloat[2]);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    }</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;}</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="keywordtype">void</span> skeletonImporter::detectAnimationChannel(<span class="keyword">const</span> channelList&amp; channels,</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                                              tinygltf::AnimationChannel*&amp; translation,</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                                              tinygltf::AnimationChannel*&amp; rotation,</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                                              tinygltf::AnimationChannel*&amp; scale,</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                                              tinygltf::AnimationChannel*&amp; weights)<span class="keyword"> const</span></div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> translationIt</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        = std::find_if(channels.begin(), channels.end(), [](<span class="keyword">const</span> tinygltf::AnimationChannel&amp; c) { <span class="keywordflow">return</span> c.target_path == <span class="stringliteral">&quot;translation&quot;</span>; });</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordflow">if</span>(translationIt != channels.end()) translation = &amp;(*translationIt).get();</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> rotationIt = std::find_if(channels.begin(), channels.end(), [](<span class="keyword">const</span> tinygltf::AnimationChannel&amp; c) { <span class="keywordflow">return</span> c.target_path == <span class="stringliteral">&quot;rotation&quot;</span>; });</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordflow">if</span>(rotationIt != channels.end()) rotation = &amp;(*rotationIt).get();</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> scaleIt = std::find_if(channels.begin(), channels.end(), [](<span class="keyword">const</span> tinygltf::AnimationChannel&amp; c) { <span class="keywordflow">return</span> c.target_path == <span class="stringliteral">&quot;scale&quot;</span>; });</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordflow">if</span>(scaleIt != channels.end()) scale = &amp;(*scaleIt).get();</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> weightsIt = std::find_if(channels.begin(), channels.end(), [](<span class="keyword">const</span> tinygltf::AnimationChannel&amp; c) { <span class="keywordflow">return</span> c.target_path == <span class="stringliteral">&quot;weights&quot;</span>; });</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    <span class="keywordflow">if</span>(weightsIt != channels.end()) weights = &amp;(*weightsIt).get();</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;}</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadKeyFrameDataFromSampler(<span class="keyword">const</span> tinygltf::Animation&amp; animation,</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                                                   <span class="keywordtype">int</span> bone,</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                                                   tinygltf::AnimationChannel* translation,</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                                                   tinygltf::AnimationChannel* rotation,</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                                                   tinygltf::AnimationChannel* scale,</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;                                                   tinygltf::AnimationChannel* weights,</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                                                   <span class="keywordtype">int</span> frameID,</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                                                   <span class="keywordtype">int</span>&amp; count,</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                                                   keyFrame&amp; animationFrame)</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;{</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">if</span>(translation)</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    {</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        <span class="keyword">auto</span> sampler = animation.samplers[translation-&gt;sampler];</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        loadTimepointFromSamplerToKeyFrame(bone, frameID, count, animationFrame, sampler);</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        loadVector3FromSampler(frameID, count, sampler, animationFrame.position);</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    }</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <span class="keywordflow">if</span>(rotation)</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    {</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        <span class="keyword">auto</span> sampler = animation.samplers[rotation-&gt;sampler];</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        loadTimepointFromSamplerToKeyFrame(bone, frameID, count, animationFrame, sampler);</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        loadQuatFromSampler(frameID, count, sampler, animationFrame.rotation);</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    }</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keywordflow">if</span>(scale)</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    {</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <span class="keyword">auto</span> sampler = animation.samplers[scale-&gt;sampler];</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        loadTimepointFromSamplerToKeyFrame(bone, frameID, count, animationFrame, sampler);</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        loadVector3FromSampler(frameID, count, sampler, animationFrame.scale);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    }</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    <span class="keywordflow">if</span>(weights)</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    {</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        <span class="keyword">auto</span> sampler = animation.samplers[weights-&gt;sampler];</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        loadTimepointFromSamplerToKeyFrame(bone, frameID, count, animationFrame, sampler);</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="comment">//TODO load the scalar... but well, we don&#39;t do anything with that in a skeletal animation, so... do nothing</span></div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    }</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;}</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadKeyFrames(<span class="keyword">const</span> tinygltf::Animation&amp; animation,</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                                     <span class="keywordtype">int</span> bone,</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                                     keyFrameList&amp; keyFrames,</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                                     tinygltf::AnimationChannel* translation,</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                                     tinygltf::AnimationChannel* rotation,</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                                     tinygltf::AnimationChannel* scale,</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                                     tinygltf::AnimationChannel* weights)</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;{</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    <span class="keywordtype">bool</span> endOfTimeLine = <span class="keyword">false</span>;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    <span class="keywordtype">int</span> frameID        = 0;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    <span class="keywordtype">int</span> count          = 0;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    <span class="keywordflow">while</span>(!endOfTimeLine)</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    {</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        keyFrame animationFrame;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        loadKeyFrameDataFromSampler(animation, bone, translation, rotation, scale, weights, frameID, count, animationFrame);</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        keyFrames.push_back(animationFrame);</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        ++frameID;</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        <span class="keywordflow">if</span>(frameID &gt;= count) endOfTimeLine = <span class="keyword">true</span>;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    }</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;}</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="keywordtype">void</span> skeletonImporter::loadSkeletonAnimations(<span class="keyword">const</span> tinygltf::Skin skin, <span class="keyword">const</span> std::string&amp; skeletonName)</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;{</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <span class="comment">//List all the animations that own at least one channel that target one of the bones of our skeleton</span></div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    OgreLog(<span class="stringliteral">&quot;Searching for animations for skeleton &quot;</span> + skeleton-&gt;getName());</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    std::vector&lt;std::reference_wrapper&lt;tinygltf::Animation&gt;&gt; animations;</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <span class="keywordflow">for</span>(<span class="keyword">auto</span>&amp; animation : model.animations)</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    {</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>&amp; channel : animation.channels)</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        {</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;            <span class="keywordflow">if</span>(std::find(skin.joints.begin(), skin.joints.end(), channel.target_node) != skin.joints.end())</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            {</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                <span class="comment">//animation is targeting our skeleton, just save that information</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;                animations.emplace_back(animation);</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                <span class="keywordflow">break</span>;</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;            }</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        }</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    }</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    std::unordered_map&lt;tinygltfJointNodeIndex, keyFrameList&gt; boneIndexedKeyFrames;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span> getAnimationLenght = [](<span class="keyword">const</span> keyFrameList&amp; l) {</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="keywordflow">if</span>(l.empty()) <span class="keywordflow">return</span> 0.0f;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        <span class="keywordflow">return</span> l.back().timePoint;</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    };</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    std::unordered_map&lt;tinygltfJointNodeIndex, channelList&gt; boneRawAnimationChannels;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="keywordflow">if</span>(!animations.empty())</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    {</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        <span class="keywordtype">int</span> i = 0;</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        <span class="keywordflow">for</span>(<span class="keyword">auto</span> animation_rw : animations)</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        {</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;            <span class="comment">//Get animation</span></div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;            <span class="keyword">auto</span> animation            = animation_rw.get();</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;            std::string animationName = animation.name;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            <span class="keywordflow">if</span>(animation.name.empty()) animationName = skeletonName + <span class="stringliteral">&quot;Animation&quot;</span> + std::to_string(i++);</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;            OgreLog(<span class="stringliteral">&quot;parsing channels for animation &quot;</span> + animationName);</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            <span class="keywordtype">float</span> maxLen = 0;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;            <span class="keywordflow">for</span>(<span class="keyword">auto</span>&amp; channel : animation.channels)</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            {</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;                <span class="keyword">const</span> <span class="keyword">auto</span> joint                       = nodeToJointMap[channel.target_node];</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;                <span class="keyword">const</span> <span class="keyword">auto</span>&amp; boneRawAnnimationChannelIt = boneRawAnimationChannels.find(joint);</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;                <span class="keywordflow">if</span>(boneRawAnnimationChannelIt == boneRawAnimationChannels.end()) boneRawAnimationChannels[joint];</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;                boneRawAnimationChannels[joint].push_back(channel);</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            }</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="comment">//from here, bones -&gt; channel map has been built;</span></div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            <span class="keywordflow">for</span>(<span class="keyword">auto</span>&amp; boneChannels : boneRawAnimationChannels)</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;            {</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;                <span class="keyword">auto</span> bone    = boneChannels.first;</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;                <span class="keyword">auto</span> channels = boneChannels.second;</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;                keyFrameList keyFrames;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                tinygltf::AnimationChannel* translation = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;                tinygltf::AnimationChannel* rotation    = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;                tinygltf::AnimationChannel* scale       = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;                tinygltf::AnimationChannel* weights     = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                detectAnimationChannel(channels, translation, rotation, scale, weights);</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;                loadKeyFrames(animation, bone, keyFrames, translation, rotation, scale, weights);</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;                <span class="comment">//here, we have a list of all key frames for one bone</span></div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;                boneIndexedKeyFrames[bone] = keyFrames;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;                maxLen                     = getAnimationLenght(keyFrames);</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;            }</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;            <span class="comment">//Create animation</span></div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;            <span class="keyword">auto</span> ogreAnimation = skeleton-&gt;createAnimation(animationName, maxLen);</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            ogreAnimation-&gt;setInterpolationMode(Ogre::v1::Animation::InterpolationMode::IM_LINEAR);</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            <span class="comment">//For each bone&#39;s list of keyframes</span></div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;            <span class="keywordflow">for</span>(<span class="keyword">auto</span>&amp; keyFrameForBone : boneIndexedKeyFrames)</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;            {</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;                <span class="comment">//Get the bone index</span></div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;                <span class="keyword">const</span> <span class="keyword">auto</span> boneIndex     = keyFrameForBone.first;</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;                <span class="keyword">const</span> <span class="keyword">auto</span> ogreBoneIndex = boneIndex;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;                <span class="comment">//Add a node to the animation track</span></div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;                <span class="keyword">auto</span> nodeAnimTrack = ogreAnimation-&gt;createOldNodeTrack(ogreBoneIndex);</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;                <span class="keyword">auto</span> bone          = skeleton-&gt;getBone(boneIndex);</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;                <span class="comment">//for each keyframe</span></div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;                <span class="keywordflow">for</span>(<span class="keyword">auto</span>&amp; keyFrame : keyFrameForBone.second)</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;                {</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;                    <span class="comment">//Add a transform to apply</span></div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;                    Ogre::v1::TransformKeyFrame* transformKeyFrame = nodeAnimTrack-&gt;createNodeKeyFrame(keyFrame.timePoint);</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;                    <span class="comment">//Set the data</span></div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;                    transformKeyFrame-&gt;setRotation(bone-&gt;getOrientation().Inverse() * keyFrame.rotation);</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;                    transformKeyFrame-&gt;setTranslate(bone-&gt;getPosition() - keyFrame.position);</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;                    transformKeyFrame-&gt;setScale(keyFrame.scale / bone-&gt;getScale());</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;                }</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;            }</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;            <span class="comment">//Need to use the keyframe 0 as base keyframe</span></div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        }</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    }</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;}</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="keywordtype">void</span> recurse(<span class="keyword">const</span> tinygltf::Model&amp; m, <span class="keywordtype">int</span> node, std::vector&lt;int&gt;&amp; output)</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;{</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    output.push_back(node);</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    <span class="keywordflow">for</span>(<span class="keyword">auto</span> child : m.nodes[node].children) { recurse(m, child, output); }</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;}</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;std::vector&lt;int&gt; traversal(<span class="keyword">const</span> tinygltf::Model&amp; m, <span class="keywordtype">int</span> node)</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;{</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    std::vector&lt;int&gt; o;</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    recurse(m, node, o);</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    <span class="keywordflow">return</span> o;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;}</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;</div><div class="line"><a name="l00347"></a><span class="lineno"><a class="line" href="class_ogre__gl_t_f_1_1skeleton_importer.html#af910753676d8c5bf1baea2bd3a596bbb">  347</a></span>&#160;Ogre::v1::SkeletonPtr <a class="code" href="class_ogre__gl_t_f_1_1skeleton_importer.html#af910753676d8c5bf1baea2bd3a596bbb">skeletonImporter::getSkeleton</a>(<span class="keyword">const</span> std::string&amp; name)</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;{</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; skins = model.skins;</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    assert(!skins.empty());</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    <span class="comment">//TODO, take the skin of a specific mesh...</span></div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; firstSkin = skins.front();</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <span class="keyword">const</span> std::string skeletonName = name + (!firstSkin.name.empty() ? firstSkin.name : <span class="stringliteral">&quot;unnamedSkeleton&quot;</span> + std::to_string(skeletonID++));</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    OgreLog(<span class="stringliteral">&quot;First skin name is &quot;</span> + skeletonName);</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    <span class="comment">//Get skeleton</span></div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    skeleton = Ogre::v1::OldSkeletonManager::getSingleton().getByName(skeletonName);</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    <span class="keywordflow">if</span>(skeleton)</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    {</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        <span class="comment">//OgreLog(&quot;Found in the skeleton manager&quot;);</span></div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        <span class="keywordflow">return</span> skeleton;</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    }</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    <span class="comment">//Create new skeleton</span></div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    skeleton = Ogre::v1::OldSkeletonManager::getSingleton().create(skeletonName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, <span class="keyword">true</span>);</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    <span class="keywordflow">if</span>(!skeleton) <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Coudn&#39;t create skeletion for skin&quot;</span> + skeletonName);</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    <span class="comment">//OgreLog(&quot;skin.skeleton = &quot; + std::to_string(firstSkin.skeleton));</span></div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    <span class="comment">//OgreLog(&quot;first joint : &quot; + std::to_string(firstSkin.joints.front()));</span></div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    {</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> inverseBindMatricesID        = firstSkin.inverseBindMatrices;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span>&amp; inverseBindMatricesAccessor = model.accessors[inverseBindMatricesID];</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span>&amp; bufferView                  = model.bufferViews[inverseBindMatricesAccessor.bufferView];</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> byteStride                   = inverseBindMatricesAccessor.ByteStride(bufferView);</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span>&amp; buffer                      = model.buffers[bufferView.buffer];</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* dataStart          = buffer.data.data() + bufferView.byteOffset + inverseBindMatricesAccessor.byteOffset;</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        assert(inverseBindMatricesAccessor.count == firstSkin.joints.size());</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        assert(inverseBindMatricesAccessor.type == TINYGLTF_TYPE_MAT4);</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;        std::array&lt;float, 4 * 4&gt; floatMatrix {};</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; inverseBindMatricesAccessor.count; ++i)</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;        {</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;            <span class="keywordflow">if</span>(inverseBindMatricesAccessor.componentType == TINYGLTF_COMPONENT_TYPE_FLOAT)</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            {</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;                <span class="comment">//Copy inside a float array the 16 floats</span></div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                memcpy(floatMatrix.data(), <span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">float</span>*<span class="keyword">&gt;</span>(dataStart + i * byteStride), 4 * 4 * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            }</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span>(inverseBindMatricesAccessor.componentType == TINYGLTF_COMPONENT_TYPE_DOUBLE)</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            {</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                <span class="comment">//Needs to do Double -&gt; Float conversion</span></div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;                std::array&lt;double, 4 * 4&gt; doubleMatrix {};</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                memcpy(doubleMatrix.data(), <span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">double</span>*<span class="keyword">&gt;</span>(dataStart + i * byteStride), 4 * 4 * <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;                internal_utils::container_double_to_float(doubleMatrix, floatMatrix);</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;            }</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            Ogre::Matrix4 inverseBindMatrixTransposed = Ogre::Matrix4(floatMatrix[0],</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;                                                     floatMatrix[1],</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;                                                     floatMatrix[2],</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;                                                     floatMatrix[3],</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;                                                     floatMatrix[4],</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;                                                     floatMatrix[5],</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;                                                     floatMatrix[6],</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;                                                     floatMatrix[7],</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;                                                     floatMatrix[8],</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;                                                     floatMatrix[9],</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;                                                     floatMatrix[10],</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;                                                     floatMatrix[11],</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;                                                     floatMatrix[12],</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;                                                     floatMatrix[13],</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;                                                     floatMatrix[14],</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;                                                     floatMatrix[15]);</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;            assert(inverseBindMatrixTransposed.transpose().isAffine());</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;            bindMatrices.push_back(inverseBindMatrixTransposed.transpose().inverseAffine());</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        }</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    }</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    <span class="comment">//Build the &quot;node to joint map&quot;. In the vertex buffer, proprery &quot;JOINT_0&quot; refer to the joints that affect a particular vertex of the skined mesh.</span></div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    <span class="comment">//To refer to theses joints, it refer to the index of the node in the skin.joints array.</span></div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    <span class="comment">//We need to be able to get the index for each of theses joints in the array easilly, so we are builind a dictionarry to be able to reverse-search them</span></div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; firstSkin.joints.size(); ++i)</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    {</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;        <span class="comment">//Get the index in the &quot;node&quot; array in the glTF&#39;s JSON</span></div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> jointNode = firstSkin.joints[i];</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;        <span class="comment">//Record in the dictionary the joint node-&gt; index</span></div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;        nodeToJointMap[jointNode] = i;</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;        <span class="comment">//Get the name (if possible)</span></div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> name = model.nodes[jointNode].name;</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        <span class="comment">//Create bone with index &quot;i&quot;</span></div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;        <span class="keyword">auto</span> bone = skeleton-&gt;createBone(!name.empty() ? name : skeletonName + std::to_string(i), i);</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    }</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    loadBoneHierarchy(firstSkin, skeleton-&gt;getBone(nodeToJointMap[firstSkin.skeleton]), skeletonName);</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;    skeleton-&gt;setBindingPose();</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    loadSkeletonAnimations(firstSkin, skeletonName);</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;    <span class="keywordflow">return</span> skeleton;</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;}</div><div class="ttc" id="class_ogre__gl_t_f_1_1skeleton_importer_html_a11798c5b89ddfa0878c1a852946c5957"><div class="ttname"><a href="class_ogre__gl_t_f_1_1skeleton_importer.html#a11798c5b89ddfa0878c1a852946c5957">Ogre_glTF::skeletonImporter::skeletonImporter</a></div><div class="ttdeci">skeletonImporter(tinygltf::Model &amp;input)</div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__skeleton_importer_8cpp_source.html#l00070">Ogre_glTF_skeletonImporter.cpp:70</a></div></div>
<div class="ttc" id="class_ogre__gl_t_f_1_1skeleton_importer_html_af910753676d8c5bf1baea2bd3a596bbb"><div class="ttname"><a href="class_ogre__gl_t_f_1_1skeleton_importer.html#af910753676d8c5bf1baea2bd3a596bbb">Ogre_glTF::skeletonImporter::getSkeleton</a></div><div class="ttdeci">Ogre::v1::SkeletonPtr getSkeleton(const std::string &amp;adapterName)</div><div class="ttdoc">Return the constructed skeleton pointer. </div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__skeleton_importer_8cpp_source.html#l00347">Ogre_glTF_skeletonImporter.cpp:347</a></div></div>
<div class="ttc" id="namespace_ogre__gl_t_f_html"><div class="ttname"><a href="namespace_ogre__gl_t_f.html">Ogre_glTF</a></div><div class="ttdef"><b>Definition:</b> <a href="_ogre__gl_t_f__internal__utils_8hpp_source.html#l00005">Ogre_glTF_internal_utils.hpp:5</a></div></div>
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